I've measured similar power consumption... the spec sheet is definitely on the 
high side. I usually figure 8 watts for planning purposes, but I haven't ever 
seen them actually draw that much. According to ubiquiti, the input voltage is 
19v to 53v now, but I don't think they are 802.3af compliant.
________________________________
From: ubnt_users-boun...@wispa.org [ubnt_users-boun...@wispa.org] on behalf of 
Josh Luthman [j...@imaginenetworksllc.com]
Sent: Thursday, January 05, 2017 2:46 PM
To: Ubiquiti Users Group
Subject: Re: [Ubnt_users] Airfiber 5x power consumption

Power consumption

Wall is 123vac. Amp meter says 0.07a. 8.61 watts. This is the factory POE.
POE spits out 24vdc. Amp meter said 0.23a. 5.52 watts.
I waited ~10 minutes after it booted to look. They were definitely associated. 
It's running 33dBm EIRP @ 5240.

6 watt radio I would *NOT* call power hungry at all.

They were 24v radios on the first shipment, there's a specific MAC address 
range (very small).  These days they're 24-48 volts.  It's to the point where 
Netonix is removing 24vh (power on 4 pairs) because AF5x was the only radio 
that uses it and it isn't necessary but for a small number of existing units.

I think the cut off is 20v?


Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

On Thu, Jan 5, 2017 at 3:42 PM, Adair Winter 
<ada...@amarillowireless.net<mailto:ada...@amarillowireless.net>> wrote:
We run them at 24 and 48 volts no problem. never tried them on less than 24 
though.

On Thu, Jan 5, 2017 at 2:41 PM, Steve D 
<bigd...@gmail.com<mailto:bigd...@gmail.com>> wrote:
Spec sheet says they'll take an input voltage between 19-29v and draw up to 
12watts.  Anyone able to tell me how true this is?  Looking to bolt something 
onto a solar site, and I was under the impression the airfiber line was power 
hungry.  Plus, I could have sworn they were af802.3 compliant so 48 volt.  This 
isn't a case of someone copy pasting spec sheets from airmax radios, is it?

Cheers,

-Steve

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--

Adair Winter
VP, Network Operations / Co-Owner
Amarillo Wireless | 806.316.5071<tel:(806)%20316-5071>
C: 806.231.7180<tel:(806)%20231-7180>
http://www.amarillowireless.net<http://www.amarillowireless.net/>
[https://docs.google.com/a/amarillowireless.net/uc?id=0B-KeaiwIRBHEQl9leFFvVjZuWmc&export=download]<http://www.amarillowireless.net>



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